#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

/*
int main()
{
	int killer = 0;
	for (killer = 'A'; killer <= 'D'; killer++)
	{
		if ( (killer != 'A') + (killer == 'C') + (killer == 'D') + (killer != 'D') == 3)
			printf("%c\n", killer);
	}

	return 0;
}
*/
